APA引文

Walter, U. (2020). Astronautics. 3rd ed. Springer International Publishing.

Trích dẫn kiểu Chicago

Walter, Ulrich. Astronautics. 3rd Ed. Springer International Publishing, 2020.

MLA引文

Walter, Ulrich. Astronautics. 3rd Ed. Springer International Publishing, 2020.

警告：这些引文格式不一定是100％准确.